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    Advanced Engine Performance Diagnosis
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    Exam 27: Emission Control Devices Operation and Diagnosis
  5. Question
    An Evaporative Emission System Leak Detection Pump Adds ________ to the Fuel
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An Evaporative Emission System Leak Detection Pump Adds ________ to the Fuel

Question 5

Question 5

Multiple Choice

An evaporative emission system leak detection pump adds ________ to the fuel tank in order to check for leaks.


A) slight pressure
B) pressure pulses
C) a vacuum
D) oxygen

Correct Answer:

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